body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 40px auto;
    padding: 20px;
    line-height: 1.6;
    color: #333;
    background: #fafafa;
}
h1, h2, h3 {
    color: #222;
}
a {
    color: #0056b3;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}